1 food or sth that looks like food that is put onto a hook to catch fish, or to catch animals or birds 饵（用以钓鱼或放于陷阱中引诱鸟兽）

2 something that is used for persuading or attracting sb 诱饵: Free offers are often used as bait to attract customers. 赠品往往用作吸引顾客的诱饵。